ViewSonic E70F - 17" CRT Display User Manual

4. Vertical deflection is defective.
Vertical is defective
The picture is one
horizontal line
Is the waveform pin2 of
IC401 normal?
Check the dflection Yoke
Is the waveform at pin6
of IC501 normal?
Check V-sync of IC301
pin33 or signal cable
Is the IC501 pin2=14V
pin5=-12V?
Is the waveform of IC401
pin13, pin23 normal?
Check power supply 14V,
-12V
IC401 is defective
5Vp-p
45Vp-p
Yes
Yes
No
No
No
Yes
No
41
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Do Not Copy 70f+SB-3E

ViewSonic E70F - 17" CRT Display Specifications

General

Brand	ViewSonic
Model	E70F - 17" CRT Display
Category	Monitor
Language	English